Grandes Rocques (Beach) (Guernsey) weather

Here are our top tips to keep you, your friends and family safe at the beach with links to Royal National Lifeboat Institution (RNLI) and Met Office advice.



Forecast days

  • 5 3
    Sunrise iconSunrise:
    Sunset iconSunset:
    Overcast.
    Beach safety today
    Large, powerful waves
    • • only experts should take part in water activities

    Tide: Next low tide (2.0m) at

    L UV
    L Pollution
    No pollen data.
Overcast.
Beach safety today
Large, powerful waves
  • • only experts should take part in water activities

Tide: Next low tide (2.0m) at

Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
No pollen data.

    7 day forecast for Grandes Rocques (Beach)

    Today (18 January 2025)
    Time
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    Feels like temperature (°C)
    -1°
    Wind direction and speed
    E
    8
    ESE
    8
    ESE
    9
    ESE
    9
    ESE
    10
    ESE
    9
    SE
    8
    SE
    8
    SSE
    8
    Wind gust (mph)
    17
    17
    18
    19
    19
    19
    19
    19
    19
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    91%
    91%
    91%
    87%
    90%
    88%
    86%
    85%
    86%
    UV
    1
    1
    -
    -
    -
    -
    -
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    Period of waves offshore (s)
    11
    11
    11
    11
    11
    11
    11
    11
    11
    Direction of waves offshore
    Sunday (19 January 2025)
    Time
    00:00
    01:00
    02:00
    03:00
    04:00
    05:00
    06:00
    07:00
    08:00
    09:00
    10:00
    11:00
    12:00
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Chance of precipitation
    <5%
    10%
    10%
    10%
    20%
    20%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    8
    SSE
    8
    SSE
    8
    SSE
    7
    SSE
    7
    S
    7
    S
    7
    S
    7
    S
    6
    SSE
    6
    SSE
    7
    SSE
    8
    S
    9
    S
    9
    S
    9
    SSE
    9
    SSE
    9
    SSE
    9
    SSE
    9
    SSE
    9
    SSE
    9
    SSE
    9
    SSE
    9
    SSE
    10
    Wind gust (mph)
    19
    19
    18
    17
    17
    17
    17
    17
    17
    18
    18
    18
    19
    19
    18
    18
    18
    18
    19
    19
    20
    21
    21
    21
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    85%
    86%
    86%
    86%
    86%
    85%
    85%
    85%
    85%
    84%
    83%
    83%
    84%
    84%
    84%
    83%
    84%
    84%
    84%
    83%
    82%
    83%
    84%
    84%
    UV
    -
    -
    -
    -
    -
    -
    -
    1
    1
    1
    1
    1
    1
    1
    1
    1
    1
    -
    -
    -
    -
    -
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.2
    1.2
    1.2
    1.3
    1.3
    1.3
    1.4
    1.4
    1.5
    1.5
    1.6
    1.6
    1.7
    1.7
    1.7
    1.8
    1.8
    1.8
    Period of waves offshore (s)
    11
    11
    11
    11
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    15
    15
    15
    15
    15
    15
    15
    15
    15
    Direction of waves offshore
    Monday (20 January 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Overcast
    Cloudy
    Cloudy
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Partly cloudy night
    Partly cloudy night
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    10
    SSE
    9
    SE
    9
    SE
    9
    SE
    9
    ESE
    9
    ESE
    8
    SE
    9
    Wind gust (mph)
    21
    20
    19
    18
    17
    18
    19
    19
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    84%
    85%
    85%
    85%
    84%
    80%
    80%
    85%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    1.8
    1.8
    1.8
    1.7
    1.7
    1.5
    1.4
    1.3
    Period of waves offshore (s)
    15
    15
    15
    15
    14
    14
    14
    13
    Direction of waves offshore
    Tuesday (21 January 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Partly cloudy night
    Partly cloudy night
    Clear night
    Sunny intervals
    Sunny day
    Sunny intervals
    Cloudy
    Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    20%
    30%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SE
    8
    ESE
    10
    ESE
    11
    ESE
    13
    ESE
    14
    ESE
    15
    ESE
    16
    ESE
    16
    Wind gust (mph)
    20
    22
    25
    25
    25
    30
    31
    31
    Visibility (description)
    VG
    VG
    G
    G
    G
    G
    G
    G
    Humidity
    84%
    85%
    86%
    84%
    84%
    79%
    83%
    87%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    1.2
    1.2
    1.1
    1.0
    0.9
    0.9
    0.9
    0.9
    Period of waves offshore (s)
    13
    13
    12
    12
    12
    12
    11
    11
    Direction of waves offshore
    Wednesday (22 January 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Chance of precipitation
    20%
    20%
    20%
    40%
    40%
    40%
    50%
    50%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SE
    14
    SE
    13
    SE
    13
    SE
    13
    SE
    13
    SE
    13
    SE
    13
    SE
    14
    Wind gust (mph)
    29
    27
    27
    26
    26
    25
    26
    24
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    87%
    88%
    91%
    92%
    92%
    92%
    92%
    92%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.8
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.6
    Period of waves offshore (s)
    11
    15
    14
    14
    12
    11
    11
    11
    Direction of waves offshore
    Thursday (23 January 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Overcast
    Overcast
    Overcast
    Cloudy
    Sunny intervals
    Sunny intervals
    Partly cloudy night
    Partly cloudy night
    Chance of precipitation
    50%
    50%
    30%
    30%
    30%
    20%
    30%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    14
    WSW
    16
    W
    18
    W
    20
    WSW
    20
    WSW
    20
    W
    18
    W
    16
    Wind gust (mph)
    27
    30
    31
    31
    31
    30
    29
    28
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    VG
    Humidity
    94%
    94%
    93%
    90%
    89%
    88%
    84%
    84%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.6
    0.5
    0.5
    0.4
    0.7
    1.8
    1.3
    0.9
    Period of waves offshore (s)
    11
    11
    11
    11
    9
    8
    7
    6
    Direction of waves offshore
    Friday (24 January 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Cloudy
    Cloudy
    Light rain
    Light rain
    Cloudy
    Chance of precipitation
    20%
    10%
    20%
    40%
    40%
    50%
    50%
    40%
    Temperature (°C)
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    17
    W
    17
    WSW
    18
    SSW
    23
    S
    26
    S
    26
    S
    26
    S
    27
    Wind gust (mph)
    29
    30
    33
    38
    40
    43
    43
    41
    Visibility (description)
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    Humidity
    82%
    84%
    84%
    86%
    88%
    86%
    87%
    88%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.8
    Period of waves offshore (s)
    6
    Direction of waves offshore

    Tide times

    Saturday 18 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 18 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 18 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 18 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 19 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 19 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 19 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 19 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 20 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 20 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 20 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 20 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 21 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 21 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 21 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 21 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 22 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 22 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 22 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 22 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 23 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 23 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 23 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 23 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 24 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 24 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 24 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 24 January

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

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    Forecast for 15:00 (UTC), Sat
    Updated 14:25 (UTC) on Sat 18 Jan 2025
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